/* use2fa.com, design B "Token" (Jack picked 2026-11-15).
   Aluminium chassis, graphite panels, one amber LCD accent; Archivo (variable width) + Martian Mono. */
:root{
  --alu:#e3e5e8; --alu2:#d4d7db; --edge:#b9bdc3; --graphite:#1a1c20; --graphite2:#26292f; --line-dark:#33373e;
  --text:#15171a; --mute:#575c64; --mute-dark:#8c929b; --soft-dark:#b7bcc4;
  --lcd:#1d2219; --amber:#ffb23e; --amber-ink:#1a1300; --amber-dim:#6b5222; --ok:#7bd88f; --warn:#b45309;
  --display:"Archivo","Arial Narrow",Arial,sans-serif;
  --mono:"Martian Mono",ui-monospace,Menlo,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--alu);color:var(--text);font:400 16.5px/1.6 var(--display);font-variation-settings:"wdth" 100;-webkit-font-smoothing:antialiased;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.22) 0 1px,transparent 1px 3px)}
a{color:inherit}
img{max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--graphite);color:#fff;padding:8px 12px;border-radius:8px;z-index:9}

/* header */
.bar{display:flex;align-items:center;justify-content:space-between;padding-block:18px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-variation-settings:"wdth" 125;font-size:20px;letter-spacing:.02em;text-transform:uppercase;white-space:nowrap}
.led{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(123,216,143,.25),0 0 12px var(--ok);flex:none}
.nav{display:flex;gap:4px;background:var(--graphite);padding:5px;border-radius:999px}
.nav a{color:#c9ccd1;text-decoration:none;font:400 12px var(--mono);padding:8px 13px;border-radius:999px;white-space:nowrap}
.nav a[aria-current],.nav a:hover{background:var(--graphite2);color:#fff}
.hsearch{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--edge);border-radius:999px;padding:6px 6px 6px 14px;min-width:0}
.hsearch input{border:0;outline:0;background:transparent;font:400 13px var(--mono);width:170px;min-width:0}
.hsearch button{border:0;background:var(--graphite);color:#fff;border-radius:999px;font:400 12px var(--mono);padding:7px 12px;cursor:pointer}
.menu{display:none;border:0;background:var(--graphite);color:#fff;border-radius:10px;font:400 12px var(--mono);padding:10px 14px;cursor:pointer}

/* type */
.kicker{font:400 12px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mute)}
h1,h2,h3{text-wrap:balance}
.display{margin:0;font-weight:900;font-variation-settings:"wdth" 118;line-height:.9;letter-spacing:-.01em;text-transform:uppercase}
h2.sec{margin:0 0 8px;font-weight:900;font-variation-settings:"wdth" 118;text-transform:uppercase;font-size:clamp(28px,3.4vw,44px);line-height:.95}
.sub{margin:0 0 22px;color:var(--mute);max-width:62ch}
.crumb{font:400 12px var(--mono);color:var(--mute);letter-spacing:.04em;padding-top:4px}
.crumb a{text-decoration:none}
.crumb a:hover{text-decoration:underline}

/* home hero */
.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;padding-block:20px 48px;align-items:stretch}
.copy{display:flex;flex-direction:column;justify-content:center;gap:20px;min-width:0}
.copy h1{font-size:clamp(42px,6.2vw,90px)}
.copy p{margin:0;font-size:18px;max-width:44ch;color:#2b2f35}
.search{position:relative;display:flex;align-items:center;gap:10px;background:var(--graphite);border-radius:16px;padding:8px 8px 8px 18px;box-shadow:inset 0 2px 0 rgba(255,255,255,.06),0 18px 40px -18px rgba(0,0,0,.55)}
.search input{flex:1;min-width:0;background:transparent;border:0;outline:0;color:#fff;font:400 15px var(--mono)}
.search input::placeholder{color:#7d838c}
.search button{border:0;background:var(--amber);color:var(--amber-ink);font:600 13px var(--mono);padding:12px 16px;border-radius:10px;cursor:pointer;white-space:nowrap}
.search:focus-within{box-shadow:0 0 0 3px var(--amber),0 18px 40px -18px rgba(0,0,0,.55)}
.suggest{position:absolute;left:0;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--edge);border-radius:14px;box-shadow:0 24px 50px -20px rgba(0,0,0,.45);overflow:hidden;z-index:5}
.suggest a{display:flex;justify-content:space-between;gap:10px;padding:11px 14px;text-decoration:none;border-top:1px solid #eceef1;font-size:15px}
.suggest a:first-child{border-top:0}
.suggest a:hover,.suggest a.on{background:#f1f2f4}
.suggest small{font:300 11px var(--mono);color:var(--mute)}
.device{position:relative;border-radius:28px;background:linear-gradient(160deg,#2a2d33,#15171b);padding:18px;box-shadow:0 1px 0 rgba(255,255,255,.08) inset,0 40px 70px -30px rgba(0,0,0,.6);overflow:hidden;display:grid;align-content:end;min-height:440px}
.device img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.lcd{position:relative;background:var(--lcd);border-radius:14px;padding:18px 20px;border:1px solid #0d0f0b;box-shadow:inset 0 0 0 1px rgba(255,178,62,.08),inset 0 10px 30px rgba(0,0,0,.5)}
.lcd .row{display:flex;justify-content:space-between;align-items:center;font:400 11px var(--mono);color:var(--amber-dim);letter-spacing:.1em;text-transform:uppercase}
.code{font:600 clamp(44px,6vw,74px)/1 var(--mono);color:var(--amber);letter-spacing:.08em;text-shadow:0 0 18px rgba(255,178,62,.45);margin:10px 0 12px;font-variant-numeric:tabular-nums}
.meter{height:5px;background:#2c3326;border-radius:3px;overflow:hidden}
.meter b{display:block;height:100%;background:var(--amber);transition:width 1s linear}
.lcd small{display:block;margin-top:10px;font:300 11px/1.6 var(--mono);color:#8a8f7f}

/* method strip */
.strip{display:grid;grid-template-columns:repeat(4,1fr);background:var(--graphite);color:#e6e7ea;border-radius:20px;overflow:hidden}
.strip a{padding:22px;border-right:1px solid #30343b;text-decoration:none;min-width:0}
.strip a:last-child{border-right:0}
.strip a:hover{background:#1f2227}
.strip h3{margin:0 0 6px;font-weight:800;font-variation-settings:"wdth" 112;text-transform:uppercase;font-size:17px;letter-spacing:.02em}
.strip p{margin:0;font-size:14px;color:#a8adb5}
.pill{display:inline-block;font:400 10px var(--mono);letter-spacing:.1em;text-transform:uppercase;border:1px solid #4b5059;border-radius:999px;padding:3px 8px;margin-bottom:12px;color:#c9ccd1}
.pill.amber{border-color:var(--amber);color:var(--amber)}

/* tiles + leds */
.section{padding-block:52px 6px}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.tile{background:linear-gradient(180deg,#f1f2f4,#dfe2e6);border:1px solid var(--edge);border-radius:18px;padding:16px 16px 14px;text-decoration:none;display:grid;gap:12px;box-shadow:0 1px 0 #fff inset,0 10px 24px -18px rgba(0,0,0,.4);transition:transform .15s;min-width:0}
.tile:hover{transform:translateY(-2px)}
.tile .top{display:grid;gap:2px;min-width:0}
.tile .n{font-weight:800;font-size:19px;font-variation-settings:"wdth" 108;line-height:1.15}
.tile .d{font:300 11px var(--mono);color:var(--mute);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.leds{display:flex;gap:6px;flex-wrap:wrap}
.l{font:400 10px var(--mono);letter-spacing:.06em;text-transform:uppercase;padding:4px 7px;border-radius:6px;background:#c9cdd2;color:#6b7079;display:inline-flex;align-items:center;gap:5px}
.l::before{content:"";width:6px;height:6px;border-radius:50%;background:#9aa0a8}
.l.on{background:var(--graphite);color:#e9eaec}
.l.on::before{background:var(--ok);box-shadow:0 0 6px var(--ok)}
.l.best{background:var(--graphite);color:var(--amber)}
.l.best::before{background:var(--amber);box-shadow:0 0 6px var(--amber)}
.legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:14px;font:300 11px var(--mono);color:var(--mute)}
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px}
.cat{display:flex;justify-content:space-between;align-items:center;gap:10px;background:#f3f4f6;border:1px solid var(--edge);border-radius:14px;padding:12px 14px;text-decoration:none;font-weight:700;font-variation-settings:"wdth" 105}
.cat:hover{background:#fff}
.cat span{font:300 11px var(--mono);color:var(--mute)}
.guides{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.guide{position:relative;border-radius:20px;overflow:hidden;background:var(--graphite);color:#fff;text-decoration:none;min-height:240px;display:grid;align-content:end;padding:18px}
.guide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}
.guide>*{position:relative}
.guide h3{margin:0;font-weight:800;font-variation-settings:"wdth" 112;text-transform:uppercase;font-size:20px}
.guide p{margin:6px 0 0;font-size:14px;color:#d6d9de}

/* service page */
.svchero{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding-block:14px 28px;align-items:center}
.svchero h1{font-size:clamp(48px,7.4vw,112px);overflow-wrap:anywhere}
.lede{margin:14px 0 0;font:400 13px var(--mono);color:var(--mute);letter-spacing:.06em;text-transform:uppercase}
.sum{margin:10px 0 0;font-size:19px;max-width:40ch;color:#2b2f35}
.panel{background:var(--graphite);color:#e6e7ea;border-radius:22px;padding:22px;min-width:0}
.panel .label{font:400 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mute-dark)}
.panel h2{margin:6px 0 4px;font-weight:800;font-variation-settings:"wdth" 112;text-transform:uppercase;font-size:24px;line-height:1.1}
.panel h2 span{color:var(--amber)}
.panel p{margin:0;color:var(--soft-dark);font-size:15px}
.board{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.key{background:#23262c;border:1px solid var(--line-dark);border-radius:12px;padding:12px;display:grid;gap:6px;align-content:start;min-width:0}
.key .l{justify-self:start}
.key b{font-weight:700;font-variation-settings:"wdth" 105;line-height:1.2}
.key small{color:var(--mute-dark);font-size:12px;line-height:1.35;overflow-wrap:anywhere}
.board.b1,.board.b2,.board.b4{grid-template-columns:repeat(2,1fr)}
.notoff{margin:12px 0 0!important;font:300 12px/1.5 var(--mono)!important;color:var(--mute-dark)!important}
.cols{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;padding-block:18px 40px}
.card{background:#f3f4f6;border:1px solid var(--edge);border-radius:20px;padding:24px;min-width:0}
.card h2{margin:0 0 6px;font-weight:900;font-variation-settings:"wdth" 115;text-transform:uppercase;font-size:24px}
.card h2+p.note{margin:0 0 16px;color:var(--mute);font-size:14px}
.card h2.next{margin-top:30px}
.steps{display:grid;gap:10px;margin:0;padding:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:start;background:#fff;border:1px solid #dadde1;border-radius:14px;padding:14px}
.steps li::before{content:counter(s);width:32px;height:32px;border-radius:9px;background:var(--graphite);color:var(--amber);font:600 13px var(--mono);display:grid;place-items:center}
.steps li>div{min-width:0}
.mpath{font:400 12px var(--mono);background:var(--graphite);color:#fff;border-radius:6px;padding:2px 7px;white-space:nowrap}
.warn{display:grid;grid-template-columns:22px 1fr;gap:10px;padding:12px 0;border-top:1px solid #d6d9dd}
.warn:first-of-type{border-top:0}
.warn i{width:22px;height:22px;border-radius:6px;background:var(--amber);display:grid;place-items:center;font:600 12px var(--mono);font-style:normal;color:var(--amber-ink)}
.warn p{margin:0}
.btnrow{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.btn{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font:600 12px var(--mono);padding:11px 14px;border-radius:10px;background:var(--graphite);color:#fff}
.btn.amber{background:var(--amber);color:var(--amber-ink)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--edge)}
.side{display:grid;gap:14px;align-content:start;min-width:0}
.offer{background:var(--graphite);color:#fff;border-radius:20px;padding:20px;display:grid;gap:10px}
.offer .label{font:400 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--mute-dark)}
.offer h3{margin:0;font-weight:800;font-variation-settings:"wdth" 110;font-size:19px;text-transform:uppercase;line-height:1.15}
.offer p{margin:0;font-size:14px;color:var(--soft-dark)}
.offer a{justify-self:start;background:var(--amber);color:var(--amber-ink);text-decoration:none;font:600 12px var(--mono);padding:10px 14px;border-radius:10px}
.related{background:#f3f4f6;border:1px solid var(--edge);border-radius:20px;padding:18px;display:grid;gap:8px}
.related h3{margin:0 0 4px;font-weight:800;font-variation-settings:"wdth" 110;text-transform:uppercase;font-size:16px}
.rrow{display:grid;gap:6px;padding:10px 0;border-top:1px solid #dadde1;text-decoration:none}
.rrow:first-of-type{border-top:0}
.rrow b{font-weight:700}
.rrow:hover b{text-decoration:underline}

/* list pages */
.listhead{display:flex;justify-content:space-between;align-items:end;gap:20px;flex-wrap:wrap;margin-bottom:18px}
.filter{background:#fff;border:1px solid var(--edge);border-radius:12px;padding:11px 14px;font:400 14px var(--mono);min-width:0;width:260px}
.rows{display:grid;gap:8px}
.srow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;background:#f3f4f6;border:1px solid var(--edge);border-radius:14px;padding:12px 16px;text-decoration:none}
.srow:hover{background:#fff}
.srow b{font-weight:700;font-variation-settings:"wdth" 105}
.srow small{display:block;font:300 11px var(--mono);color:var(--mute)}
.az{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.az a{font:600 12px var(--mono);text-decoration:none;background:var(--graphite);color:#fff;border-radius:8px;padding:6px 9px}
.letter{margin:30px 0 10px;font:900 34px/1 var(--display);font-variation-settings:"wdth" 118}
.cols3{columns:3 240px;column-gap:24px}
.cols3 a{display:block;padding:5px 0;text-decoration:none;break-inside:avoid}
.cols3 a:hover{text-decoration:underline}

/* prose pages */
.prosehero{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center;padding-block:14px 30px}
.prosehero h1{font-size:clamp(36px,4.8vw,66px);overflow-wrap:anywhere}
.prosehero .img{border-radius:24px;overflow:hidden;background:var(--graphite);aspect-ratio:3/2}
.prosehero .img img{width:100%;height:100%;object-fit:cover;display:block}
.prose{background:#f3f4f6;border:1px solid var(--edge);border-radius:20px;padding:clamp(20px,4vw,40px);max-width:820px;margin-bottom:40px}
.prose.solo{margin-top:10px}
.prose h2{font-weight:900;font-variation-settings:"wdth" 115;text-transform:uppercase;font-size:22px;margin:30px 0 8px;line-height:1.1}
.prose h2:first-child{margin-top:0}
.prose p,.prose li{max-width:68ch}
.prose ul,.prose ol{padding-left:20px}
.prose li{margin:6px 0}
.cmp{width:100%;border-collapse:collapse;font-size:14.5px;margin:12px 0}
.cmp th{font:400 11px var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--mute);text-align:left;padding:10px 8px;border-bottom:1px solid var(--edge)}
.cmp td{padding:11px 8px;border-bottom:1px solid #dadde1;vertical-align:top}
.tablewrap{overflow-x:auto}

footer.foot{margin-top:40px;background:var(--graphite);color:#b7bcc4}
footer.foot .wrap{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:28px;padding-block:36px 44px}
footer.foot h4{margin:0 0 10px;color:#fff;font:400 11px var(--mono);letter-spacing:.12em;text-transform:uppercase}
footer.foot a{display:block;text-decoration:none;padding:3px 0;font-size:14px}
footer.foot a:hover{color:#fff}
footer.foot p{margin:0 0 10px;font-size:13.5px}
footer.foot .fine{font:300 11.5px/1.6 var(--mono);color:#8c929b}

@media (max-width:980px){
  .hsearch{display:none}
}
@media (max-width:860px){
  .nav{display:none;position:absolute;right:max(20px,env(safe-area-inset-right,0px));top:64px;flex-direction:column;border-radius:16px;z-index:8}
  .nav.open{display:flex}
  .menu{display:block}
  .bar{position:relative}
  .hero,.svchero,.cols,.prosehero{grid-template-columns:1fr}
  .device{min-height:330px}
  .strip{grid-template-columns:1fr 1fr}
  .strip a:nth-child(2){border-right:0}
  .strip a{padding:16px;border-bottom:1px solid #30343b}
  .strip h3{font-size:14px;font-variation-settings:"wdth" 90;overflow-wrap:anywhere}
  .board{grid-template-columns:1fr 1fr}
  .guides{grid-template-columns:1fr 1fr}
  footer.foot .wrap{grid-template-columns:1fr}
  .filter{width:100%}
}
@media (prefers-reduced-motion:reduce){.meter b,.tile{transition:none}}